My sons Mavic Pro 100 meters out to Sea the battery fell out and the drone went under after 2.30 hours a beach walker posted on facebook it had washed ashore I stripped it down alcohol submerged all parts for about 30 mins took out lots and lots of sand put it back together it FLYS though i have front sensor error and gimbal overload and rear red flashing light pretty sure its the camera board does anyone have a camera board i could test before buying ????
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